Daily Practice

Foundation Plus

6th November 1961

5 questions · 13 marks · Grades 4-6 · 128 question types in this band

1
Real Life and Distance Time Graphs3 marks
A coach travels 30 km in 0.5 hours, then 40 km in 0.5 hours. Work out the average speed for the whole journey, to 1 decimal place.
2
Vectors2 marks
a is the column vector (4, 7) and b is (-7, -7). Work out a + b as a column vector.
3
Probability Trees3 marks
1 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Averages from Frequency Tables3 marks
In a survey 6 households own 1 car, 9 own 2 cars and 9 own 3 cars. Work out the mean number of cars, to 2 decimal places.
5
Error Intervals2 marks
A number y is 77 when truncated to the nearest whole number. Write down the error interval for y.

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